Iowa Northwestern Railroad

Reporting mark: IANW
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Tatonka Ska Trace Trail - Dry Run Arch (Osceola County, Iowa)
Built 1900; abandoned 2004
Abandoned closed-spandrel arch bridge over Dry Run on Tatonka Ska Trace Trail
Derelict/abandoned with rails removed

Tatonka Ska Trace Trail - Little Ocheyedan River Bridge (Osceola County, Iowa)
Abandoned 2004
Abandoned deck plate girder bridge over Little Ocheyedan River on Tatonka Ska Trace Trail
Derelict/abandoned with rails removed

Tatonka Ska Trace Trail - Little Sioux River Bridge (Dickinson County, Iowa)
Abandoned since 2004
Abandoned timber stringer bridge over Little Sioux River on abandoned railroad (former IANW)
Derelict/abandoned with rails removed

Tatonka Ska Trace Trail - Ocheyedan River Bridge (Osceola County, Iowa)
Abandoned 2004
Abandoned steel stringer bridge over Ocheyedan River on Tatonka Ska Trace Trail
Derelict/abandoned with rails removed

Tatonka Ska Trace Trail - Rush Lake Outlet Bridge (Osceola County, Iowa)
Built 1900; abandoned 2004
Abandoned Brick Arch bridge over Rush Lake Outlet on Tatonka Ska Trace Trail
Derelict/abandoned with rails removed

Tatonka Ska Trace Trail - Unnamed Creek Bridge (Dickinson County, Iowa)
Built 1902
Steel stringer bridge over Tributary West Branch Little Sioux River on Tatonka Ska Trace Trail
Open to traffic

Tatonka Ska Trace Trail - West Branch Little Sioux River Arch (Dickinson County, Iowa)
Built 1900; abandoned 2004, Converted to Trail Use 2018
Closed-spandrel arch bridge over West Branch Little Sioux River on Tatonka Ska Trace Trail
Derelict/abandoned with rails removed

Tatonka Ska Trace Trail - West Fork Little Sioux River Bridge (Dickinson County, Iowa)
Built 1902, Abandoned 2004; Converted To Trail Use 2018
Deck plate girder bridge over West Fork Little Sioux River on Tatonka Ska Trace Trail
Awaiting Opening as Iowa Great Lakes Trail